Radio Receivers
If a FET is used as the first AF amplifier in a transistor receiver, this will have the effect of

Reducing the effect of negative-peak clipping
Reducing the effect of noise at low modulation depths
Improving the effectiveness of the AGC
Improving the selectivity of the receiver

ANSWER DOWNLOAD EXAMIANS APP

Radio Receivers
Show which of the following statements about the amplitude limiter is untrue:

Leak-type bias must be used
The output must be tuned
The circuit is always biased in class C, by virtue of the leak-type bias.
When the input increases past the threshold of the limiting, the gain decreases to keep the output constant.

ANSWER DOWNLOAD EXAMIANS APP